Home / 115,130.11-172,701.32-36,250.49

Finding the Fourth Proportional to 115,130.11, 172,701.32 and 36,250.49

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Solution

The fourth proportional to 115,130.11, 172,701.32 and 36,250.49 is: 54,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,130.11 : 172,701.32 = 36,250.49 : x
  2. Step 2: Convert to fraction form
    115,130.11/172,701.32 = 36,250.49/x
  3. Step 3: Cross multiply
    115,130.11x = 172,701.32 × 36,250.49
  4. Step 4: Simplify right side
    115,130.11x = 6,260,506,752.70
  5. Step 5: Solve for x
    x = 6,260,506,752.70/115,130.11
  6. Step 6: Final answer
    x = 54,377.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.